cost vs call for

cost is a noun but call for is not a noun.

Word	Noun	Adjective	Verb	Adverb
cost	Yes	No	Yes	No
call for	No	No	Yes	No

As verbs, call for is a hypernym of cost; that is, call for is a word with a broader meaning than cost:

Other hypernyms of cost include ask, demand, involve, necessitate, need, postulate, require, take.

cost (noun)	call for (noun)
the property of having material worth (often indicated by the amount of money something would bring if sold)
value measured by what must be given or done or undergone to obtain something
the total spent for goods or services including money and time and labor

cost (verb)	call for (verb)
be priced at	request the participation or presence of
require to lose, suffer, or sacrifice	express the need or desire for
	gather or collect
	require as useful, just, or proper